VGA and USB status report
Tue Jun 29 15:01:53 CEST 2004
On Tue, 29 Jun 2004, Oleg Gusev wrote:
I found the problem that caused the panic - there is a workaround for
strongarm bug. I simply removed it.
hid - works (only mouse tested).
usb-storage - works (only CF reader tested).
usbnet (USB-USB cable) crashes on ifconfig. (actually, sometimes it does
not crash, and arps go both ways fine, but no ping requests or replies).
rtl8150 (USB-ethernet bridge) crashes on ifconfig.
> > usb-ohci.c: USB OHCI at membase 0x0, IRQ 101
> > hc_alloc_ohci: dev=457 mem_base=00000000 dev_is_h5400=0
> mem_base=0 is bad. It is followed by ohci->regs=mem_base.
> In SA1111 it is USB_OHCI_OPBASE.
The ohci code assumes that ohci registers are packed in memory, bu
sa1101 has them 1KB apart, so I redefined writel (see start of
usb-ohci). This means that mem_base is meaningless.
> > hcca=c1af0000 hcca_dma=c0046000
> Have you reserved the lowest 2MB for DMA like SA1111 does it ?
No. should I? Is there a known bug with sa1101 DMA?
> Have you enabled DMA in TUCR ? The resource handling
> should be done properly sometime, but as a quick test
> it will go.
> > usb.c: USB device 2 (vend/prod 0x67b/0x0) is not claimed by any active
> > driver.
> > usb0: register usbnet 001/002, Prolific PL-2301/PL-2302
> PS. You are very brave person to deal with the 2.4 SA USB code :)
Actually, as you can see, there is very little work to do.
Matan Ziv-Av. email@example.com
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